Refactor RateLimiter so that if Redis is not running, everything still runs normally (minus the rate limiting protection). My assumption that creating a Redis connection would throw an exception if Redis wasn't running was wrong. The exceptions actually occur when you issue a command. This is for #224.

{% extends 'base.html' %}
{% block custom_css %}
<link rel="stylesheet" type="text/css" href="{{ STATIC_URL }}css/bio.css" />
{% block bio_css %}{% endblock %}
{% endblock %}
{% block content %}
{% endblock %}